Learning to use big people toilets can be tricky and messy for everyone involved. Whoopsies absorbs small bladder leaks with its double-layer technology, while mimicking a wetness fell so your youngster can recognise their toilet cues and stay dry on their journey! 1197, The Bonds Whoopsies Toilet Training Undies help littlies feel like a "big kid". They're the perfect go-anywhere training undies to help them graduate from nappies to regular undies with confidence.